KnowraAnal cancerLinked fromLinked fromThe 6 pages that link to Anal cancer, each with the reason it gives.All 6Broader topic 1Related 2Compared with 3Human papillomavirusRelated: HPV is a major cause of this cancer.Colorectal cancerCompared with: It affects the adjacent anorectal region but differs in tissue origin, risk factors, and treatment.AnusRelated: It is a serious disease of the outlet that may cause bleeding or a lump.HemorrhoidCompared with: A persistent lump, bleeding, or pain can require evaluation beyond hemorrhoid treatment.Human papillomavirus infectionBroader topic: Persistent HPV infection is a major cause of this less widely known cancer.Anal hygieneCompared with: Persistent bleeding, lumps, or pain should not be attributed to hygiene without assessment.